package com.itheima.Demo1;

public class work10 {
    public static void main(String[] args){
        int classNumber = 100;//学生数量
        System.out.println(classNumber);

        double price = 55.55;//商品价格
        System.out.println(price);

        long year = 4600000000L;//诞生年数
        System.out.println(year);

        boolean flag = false;//真假值
        System.out.println(flag);
    }
}
